[Bug middle-end/68785] [6 Regression] valgrind reports issues with folding on x86_64

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68785

--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Dec 10 10:14:38 2015
New Revision: 231499

URL: https://gcc.gnu.org/viewcvs?rev=231499&root=gcc&view=rev
Log:
        PR tree-optimization/68785
        * gimple-fold.c (fold_ctor_reference): Pass return value from
        native_encode_expr to native_interpret_expr.
        * tree-ssa-sccvn.c (fully_constant_vn_reference_p): Likewise.

        * gcc.dg/pr68785.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr68785.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-fold.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-sccvn.c